1. Department of Neurosurgery, Gwangju Christian Hospital, Gwangju, Korea.
2. Department of Forensic Medicine, Chonnam National University Medical School, Gwangju, Korea.
3. Department of Nuclear Medicine, Chonnam National University Medical School, Gwangju, Korea.
4. Department of Neurology, Chonnam National University Medical School, Gwangju, Korea.
5. Department of Neurosurgery, Chonnam National University Medical School, Gwangju, Korea.
6. Center for Creative Biomedical Scientists, Chonnam National University Medical School, Gwangju, Korea.